Upgrade Guide
Sony A6100→Sony A7 III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
→
Worthwhile
Clear improvements over the A6100. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the A7 III
-
Weather sealingAdded — fully sealed body
-
StabilisationIBIS added — significant for handheld and video
-
Battery life~710 shots (CIPA) vs 420 shots (CIPA)
Unchanged or similar
-
ResolutionSimilar (24MP)
Suitability by genre
| Genre | A6100 | A7 III | |
|---|---|---|---|
| Portrait | +2.0 | ||
| Street | +2.0 | ||
| Travel | +1.0 | ||
| Casual | — | ||
| Vlogging & Video | — | ||
| Sports & Action | — | ||
| Wildlife | — | ||
| Video | — |
Full spec comparison
| Spec | A6100 | A7 III | |
|---|---|---|---|
| Price | £549 | £1,699 | |
| Released | 2019 | 2018 | ↓ |
| Sensor | APS-C Exmor CMOS | 24.2MP Full-Frame Exmor R BSI CMOS | |
| Resolution | 24MP | 24MP | |
| Video | 4K 30fps | 4K/30p (6K oversampled), 1080p/120p slow-motion | |
| Autofocus | 425-point phase-detect, real-time tracking | Phase-detect, 693 points, real-time Eye AF & animal AF | |
| Stabilisation | None | 5-axis IBIS, 5 stops | |
| Burst Rate | 11fps | 10fps with AF/AE tracking | ↓ |
| Battery Life | 420 shots (CIPA) | ~710 shots (CIPA) | ↑ |
| Weight | 396g (body only) | 565g (body, battery, card) | ↓ |
| Weather Sealed | No | Yes | ↑ |
| Viewfinder | EVF 0.39" 1.44M-dot | EVF, 2.36M dots, 0.78× magnification | |
| Screen | 3.0" tilting touchscreen, 921k-dot | 3.0" tilting touchscreen, 921k dots | |
| Mount | Sony E-Mount | Sony E-mount | |
| Memory Cards | SD UHS-I / Memory Stick | Dual SD (UHS-II slot 1, UHS-I slot 2) |
Compare side-by-side
⚖️ Compare these cameras
See A6100 and A7 III next to each other with our interactive comparison tool.
Get a personalised upgrade score
Run the upgrade checker →
Tell us what you shoot and we'll score the A7 III against your specific genres — not just specs.
Other upgrades from the A6100
Related buying guides
Camera family history